95 lines
1.8 KiB
C++
95 lines
1.8 KiB
C++
#include <Kore/Log.h>
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#include "Display.h"
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#include <cstdio>
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#include <cstdlib>
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namespace Kore {
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namespace Display {
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void fatalError(const char *message) {
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printf("main: %s\n", message);
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exit(1);
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}
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enum { MAXIMUM_DISPLAY_COUNT = 10 };
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DeviceInfo displays[MAXIMUM_DISPLAY_COUNT];
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int displayCounter = -1;
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bool initialized = false;
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void enumDisplayMonitors(DeviceInfo screens[], int &displayCounter);
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void enumerate() {
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if (initialized) {
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return;
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}
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initialized = true;
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enumDisplayMonitors(displays, displayCounter);
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}
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int count() {
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return displayCounter + 1;
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}
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int width(int index) {
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return displays[index].width;
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}
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int height(int index) {
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return displays[index].height;
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}
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int x(int index) {
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return displays[index].x;
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}
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int y(int index) {
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return displays[index].y;
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}
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bool isPrimary(int index) {
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return displays[index].isPrimary;
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}
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const DeviceInfo *primaryScreen() {
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for (int index = 0; index < MAXIMUM_DISPLAY_COUNT; ++index) {
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const DeviceInfo &info = displays[index];
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if (info.isAvailable && info.isPrimary) {
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return &info;
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}
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}
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if (!displays[0].isAvailable) {
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log(Warning, "No display attached?");
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// TODO (DK) throw exception?
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return nullptr;
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}
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log(Warning, "No primary display defined, returning first display");
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return &displays[0];
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}
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const DeviceInfo *screenById(int id) {
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for (int index = 0; index < MAXIMUM_DISPLAY_COUNT; ++index) {
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const DeviceInfo &info = displays[index];
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if (info.number == id) {
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return &info;
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}
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}
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if (!displays[0].isAvailable) {
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log(Warning, "No display available");
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// TODO (DK) throw exception?
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return nullptr;
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}
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log(Warning, "No display with id \"%i\" found, returning first display", id);
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return &displays[0];
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}
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}
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}
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